Урожайність сортів озимої пшениці залежно від норм висіву на різних фонах удобрення / Yield of winter wheat varieties depending on the sowing rates on different fertilizer backgrounds
Journal Title: Вісник Львівського національного аграрного університету. Агрономія - Year 2018, Vol 22, Issue
Abstract
The purpose of the researches was to study the effect of fertilizer rates and sowing rates on yield of winter wheat varieties. The highest yield of winter wheat in the experiment was provided by Kalanch variety – 7,30 t/ha, which is more than 0,62 t/ha in comparison with the Dostatok variety. The increase of fertilizer rates from N40R30K30 to N160R90K90 resulted in an increase of the yield of Kalanch variety, with an average sowing rate of 3,25 t/ha, and as to the Dostatok variety it was increased by 3,12 t/ha. The highest yield of both varieties on all nutrition backgrounds was formed on the variant with a sowing rate of 3,0 mln/ha. Under the influence of three factors, the yield increased from 4,92 t/ha on the variant with the Dostatok variety on the background of N40P30K30 and the sowing rate of 5,0 million ha to 9,34 t/ha, on the variant with Kalanch variety on the background of N160P90K90 with the sowing rate of 3,0 mln/ha, or by 4,42 t/ha (89,8 %).
Authors and Affiliations
Volodymyr Lykhochvor
Keywords
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